InterviewBit Problems   Longest Palindromic Substring : Unsolved

About the Longest Palindromic Substring : Unsolved category (1)
Manachers Algorithm giving TLE here (1)
Custom test and system test showing different answers (1)
Showing wrong answer even though my output is correct (1)
TLE for dp can someone help (3)
The tests are not made to accept multiple answers (1)
What is wrorng in this (1)
O(N*N) time O(1) Space (3)
Why wrong answer (1)
O(N) solution and O(N) space (1)
Whats wrong with this code! cant pass submit (2)
What is wrong with IB (2)
Simple intuitive DP solution (2)
Please fix this i am getting wrong answer for the testcase bb even if i am returning bb (6)
Correct solution but still not accepting (1)
FUCK internal error lost 100points (1)
Wrong test case result (1)
0(n^2) solution (1)
Expected O/P and my O/P are same, but verdict is Wrong Answer (2)
Not getting output (1)
My Code is taking O(N^2) time and O(1) space (2)
Why my code is partially correct (c++) (2)
Wrong testcase ans (2)
Is my approach correct? (1)
Different answers for same input (2)
Submission Correct but Efficiency column gives weird error (3)
O(n) correct answer when run as custom input but on submission shows wrong answer (1)
Getting segmentation fault on submission using db approach (1)
Getting Segmentation fault in my answer, please help (2)
Why does my code give different results in test and submit? (4)